Hydraulics & Fluid Mechanics According to Bernoulli’s equation for steady ideal fluid flow total energy is constant throughout velocity and pressure are inversely proportional principle of conservation of mass holds the energy is constant along a stream-line but may vary across streamlines total energy is constant throughout velocity and pressure are inversely proportional principle of conservation of mass holds the energy is constant along a stream-line but may vary across streamlines ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A bucket of water is hanging from a spring balance. An iron piece is suspended into water without touching sides of bucket from another support. The spring balance reading will decrease increase increase/decrease depending on depth of immersion remain same decrease increase increase/decrease depending on depth of immersion remain same ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics For a sphere of radius 15 cm moving with a uniform velocity of 2 m/sec through a liquid of specific gravity 0.9 and dynamic viscosity 0.8 poise, the Reynolds number will be 600 300 337.5 675 600 300 337.5 675 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A perfect gas is incompressible None of these is of theoretical interest has constant viscosity is incompressible None of these is of theoretical interest has constant viscosity ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics The horse power transmitted through a pipe is maximum when the ratio of loss of head due to friction and total head supplied is 1/2 1/3 2/3 1/4 1/2 1/3 2/3 1/4 ANSWER DOWNLOAD EXAMIANS APP
Hydraulics & Fluid Mechanics A model of torpedo is tested in a towing tank at a velocity of 25 m/sec. The prototype is expected to attain a velocity of 5 m/sec. What model scale has been used ? 1 :25 1:50 1 : 2.5 1 : 5 1 :25 1:50 1 : 2.5 1 : 5 ANSWER DOWNLOAD EXAMIANS APP